MC33363A_05 Datasheet, PDF (1/14 Pages) ON Semiconductor – High Voltage Switching Regulator

MC33363A
High Voltage Switching
Regulator
The MC33363A is a monolithic high voltage switching regulator
that is specifically designed to operate from a rectified 240 Vac line
source. This integrated circuit features an on−chip 700 V / 1.5 A
SENSEFETt power switch, 500 V active off−line startup FET, duty
cycle controlled oscillator, current limiting comparator with a
programmable threshold and leading edge blanking, latching pulse
width modulator for double pulse suppression, high gain error
amplifier, and a trimmed internal bandgap reference. Protective
features include cycle−by−cycle current limiting, input undervoltage
lockout with hysteresis, output overvoltage protection, and thermal
shutdown. This device is available in a 16−lead dual−in−line and
wide body surface mount packages.
Features
• Enhanced Power Capability Over MC33363
• On−Chip 700 V, 1.5 A SENSEFET Power Switch
• Rectified 240 Vac Line Source Operation
• On−Chip 500 V Active Off−Line Startup FET
• Latching PWM for Double Pulse Suppression
• Cycle−By−Cycle Current Limiting
• Input Undervoltage Lockout with Hysteresis
• Output Overvoltage Protection Comparator
• Trimmed Internal Bandgap Reference
• Internal Thermal Shutdown
• Pb−Free Packages are Available*
16
1
http://onsemi.com
MARKING
DIAGRAMS
PDIP−16
P SUFFIX
CASE 648E
MC33363AP
AWLYYWWG
16
1
SO−16W
DW SUFFIX
CASE 751N
MC33363ADW
AWLYYWWG
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
AC Input
Startup Input 1
PIN CONNECTIONS
Startup Input 1
16
Power Switch
Drain
Regulator
Output
8
6
R_T
C_{T 7}
Mirror
OSC
PWM
Thermal
Startup
Reg
PWM Latch
S
Driver
Q
R
V_CC
UVLO
3
Overvoltage
Protection
Input
OVP ₁₁
16
Power Switch
Drain
LEB
I_pk
Compensation
9
EA
10
GND 4, 5, 12, 13
Voltage
Feedback
Input
This device contains 221 active transistors.
Figure 1. Simplified Application
DC Output
V_CC 3
4
GND
5
R_T 6
C_T 7
Regulator Output 8
13
GND
12
11
Overvoltage
Protection Input
10 ^{Voltage Feedback}
Input
9 Compensation
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
*For additional information on our Pb−Free strategy
and soldering details, please download the
ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
1
November, 2005 − Rev. 5
Publication Order Number:
MC33363A/D